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Finally! A Battery That's Better Than Energizer And Duracell!

Top Picks

Best Performance

Top overall finish on the scorecard

Energizer Ultimate Lithium

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Average Finish: 2.3

Purchased for: $20

Made In: Singapore

Lithium AA (non-rechargeable). Claimed up to 25-year storage (example date to 2050 mentioned). Measured: 14.83 g, 1.79 V initial, 155 mΩ, ~3635 mAh @ 0.3A. Overall winner on scorecard.

Highest measured capacity (~3635 mAh) and strongest cold-load voltage in the video.

Best Value

Strong across categories for the money

POWEROWL

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Average Finish: 3.5

Purchased for: $19

Made In: China

Lithium AA (non-rechargeable). Marketed with multi-layer safety / leak proof design. Measured: 15.80 g, 1.79 V initial, 154 mΩ, ~3514 mAh @ 0.3A.

Second-best average finish (3.5) and materially cheaper per battery than Energizer Ultimate Lithium.

Runner-up

High capacity at a lower cost

PKCELL

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Average Finish: 4

Purchased for: $16

Made In: China

Lithium AA (non-rechargeable). Claimed 3400 mAh and up to 20-year storage. Measured: 15.70 g, 1.78 V initial, 130 mΩ, ~3513 mAh @ 0.3A.

Third-best average finish (4.0) and among the top capacity results in the lithium group.

Name	Purchased for ($)	Purchased for, Per Piece ($)	Average Finish	Link	Made In
VARTA	$16.00	$0.16		Search on Amazon	Alkaline AA. Claimed shelf life up to 10 years. Measured: 23.32 g, 1.61 V initial, 78 mΩ internal resistance, ~2530 mAh @ 0.3A discharge.
Amazon Basics Industrial	$12.00	$0.30		Search on Amazon	Alkaline AA. Claimed shelf life 5 years. Measured: 22.70 g, 1.60 V initial, 102 mΩ, ~2130 mAh @ 0.3A.
Voniko	$8.00	$0.33		Search on Amazon	Alkaline AA. Claimed ultra long-lasting, leak proof, 10-year shelf life. Measured: 23.13 g, 1.60 V initial, 98 mΩ, ~2390 mAh @ 0.3A.
Thunderbolt Magnum	$8.00	$0.33		Search on Amazon	Alkaline AA (Harbor Freight). Measured: 23.08 g, 1.60 V initial, 83 mΩ, ~2368 mAh @ 0.3A.
EBL	$7.00	$0.35		Search on Amazon	Alkaline AA. Claimed 10-year shelf life. Measured: 22.32 g, 1.63 V initial, 99 mΩ, ~2333 mAh @ 0.3A.
ACDelco UltraMax	$9.00	$0.45		Search on Amazon	Alkaline AA. Claimed 10-year shelf life. Measured: 24.00 g, 1.59 V initial, 71 mΩ, ~2449 mAh @ 0.3A.
Amazon Basics (High Performance)	$0.50	$		Search on Amazon	Alkaline AA. Video stated cost about $0.50 each (pack total not stated). Claimed 10-year shelf life. Measured: 23.41 g, ~1.60 V initial, 84 mΩ, ~2436 mAh @ 0.3A.
Thunderbolt Edge	$9.00	$0.50		Search on Amazon	Alkaline AA (Harbor Freight). Marketed to last longer than Magnum. Measured: 24.38 g, 1.60 V initial, 66 mΩ, ~2367 mAh @ 0.3A.
Rayovac Fusion	$16.00	$0.53		Search on Amazon	Alkaline AA. Claimed 15-year power guarantee + leak protection. Measured: 23.67 g, 1.59 V initial, 83 mΩ, ~2460 mAh @ 0.3A.
Energizer (Everyday Alkaline)	$11.00	$0.55		Search on Amazon	Alkaline AA. Claimed 10-year shelf life. Measured: 23.25 g, 1.61 V initial, 92 mΩ, ~1866 mAh @ 0.3A.
Powermax	$7.00	$0.58		Search on Amazon	Alkaline AA. Claimed 10-year shelf life. Measured: 23.08 g, 1.60 V initial, 92 mΩ, ~2132 mAh @ 0.3A.
Panasonic	$34.00	$0.71		Search on Amazon	Alkaline AA. Claimed up to 10-year shelf life. Measured: 23.51 g, 1.60 V initial, 90 mΩ, ~2070 mAh @ 0.3A.
Energizer Max	$17.00	$0.71		Search on Amazon	Alkaline AA. Claimed 15-year shelf life and up to 50% longer vs standard. Measured: 23.78 g, 1.66 V initial, 82 mΩ, ~2584 mAh @ 0.3A.
Duracell	$17.00	$0.85		Search on Amazon	Alkaline AA. Claimed leak protection up to 12 years (video notes many leak reports). Measured: 23.05 g, 1.67 V initial, 66 mΩ, ~2465 mAh @ 0.3A. Best alkaline voltage under heavy load in the video.
Maxell	$9.00	$0.90		Search on Amazon	Alkaline AA. Measured: 22.04 g, 1.61 V initial, 98 mΩ, ~2147 mAh @ 0.3A.
PKCELL	$16.00	$1.33	4	Search on Amazon	Lithium AA (non-rechargeable). Claimed 3400 mAh and up to 20-year storage. Measured: 15.70 g, 1.78 V initial, 130 mΩ, ~3513 mAh @ 0.3A.
BEVIGOR	$17.00	$1.42		Search on Amazon	Lithium AA (non-rechargeable). Claimed 3500 mAh and leak proof; marketed as steady voltage until discharge. Measured: 15.73 g, 1.80 V initial, 114 mΩ, ~3552 mAh @ 0.3A.
Enegitech	$37.00	$1.54		Search on Amazon	Lithium AA (non-rechargeable). Claimed 8–10× longer than alkaline; maintains voltage until near end. Measured: 15.53 g, 1.77 V initial, 192 mΩ, ~3317 mAh @ 0.3A.
Allmax	$25.00	$1.56		Search on Amazon	Lithium AA (non-rechargeable). Claimed 20-year shelf life, leak proof, -40°F to 140°F. Measured: 15.91 g, 1.77 V initial, 196 mΩ, ~3451 mAh @ 0.3A.
Rayovac (Lithium)	$38.00	$1.58		Search on Amazon	Lithium AA (non-rechargeable). Claimed up to 50% longer and 20-year storage guarantee. Measured: ~15.00 g, 1.78 V initial, 135 mΩ, ~3492 mAh @ 0.3A.
Granicell	$19.00	$1.58		Search on Amazon	Lithium AA (non-rechargeable). Claimed 3500 mAh, leak proof. Measured: 15.96 g, 1.80 V initial, 146 mΩ, ~3449 mAh @ 0.3A.
POWEROWL	$19.00	$1.58	3.5	Search on Amazon	Lithium AA (non-rechargeable). Marketed with multi-layer safety / leak proof design. Measured: 15.80 g, 1.79 V initial, 154 mΩ, ~3514 mAh @ 0.3A.
PHILIPS	$30.00	$1.88		Search on Amazon	Lithium AA (non-rechargeable). Claimed up to 291% more power, up to 7× longer than alkaline, leak proof. Measured: 15.76 g, 1.77 V initial, 125 mΩ, ~3529 mAh @ 0.3A.
POWXS	$15.00	$1.88		Search on Amazon	Lithium AA (non-rechargeable). Claimed low self-discharge (up to 10 years), -68°F to 140°F range. Measured: 15.88 g, 1.77 V initial, 27 mΩ, ~3430 mAh @ 0.3A.
Blinkspower	$19.00	$2.38		Search on Amazon	Lithium AA (non-rechargeable). Measured: 15.62 g, ~1.61 V initial (as stated in transcript), 100 mΩ. Capacity not explicitly read out during the room-temp discharge segment; performed among top lithiums in flashlight and cold testing.
Energizer Ultimate Lithium	$20.00	$2.50	2.3	Search on Amazon	Lithium AA (non-rechargeable). Claimed up to 25-year storage (example date to 2050 mentioned). Measured: 14.83 g, 1.79 V initial, 155 mΩ, ~3635 mAh @ 0.3A. Overall winner on scorecard.